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Old 11-09-2004, 02:26 AM   #26
DOH_minion
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Old 11-09-2004, 03:21 AM   #27
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Quote:
Originally Posted by DuoMaxwell
I dunno but I am not a big K&N fan and the Arc untilizes the stock set-up. Don't get me wrong I am not saying K&N is bad at all just not what I like! Besides I bought my arc used for $100 through yahoo auctions Japan. I know not everyone can be so lucky but for that price you just cannot beat it!!

hope i could get a deal like that too....

do you know does your ARC box able to work with zero sport air filter or stock filter?
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Old 11-09-2004, 04:23 AM   #28
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the arc box works with the zero sport air filter pipping but the arc uses its own filtration system. if u want the box for the cheapest price i've seen go to e-autosports.com, and talk to william.
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Old 11-09-2004, 04:44 AM   #29
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Quote:
Originally Posted by STi-MAN
the arc box works with the zero sport air filter pipping but the arc uses its own filtration system. if u want the box for the cheapest price i've seen go to e-autosports.com, and talk to william.
wut about the intake sliencer? does the ARC box still need that intake sliencer like the stock intake unit?
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Old 04-13-2005, 03:29 AM   #30
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keep up the good work
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Old 04-25-2005, 12:03 AM   #31
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WOW. I am majorly angry i just ordered a cai and now i am mad thank god its not to late to cancel b/c i ordered it on a weekedn. YOU GUYS ARE THE BEST!
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Old 04-25-2005, 06:18 PM   #32
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but what about the sound? sooo good.

So I guess all this means I should definitely steer clear of an ebay intake...
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Old 05-17-2005, 03:51 PM   #33
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Im deffinetly thinking of going with turbo xs short ram or APS pod. So neither of those will harm my car right?

Before i was asking around, not many people like cold air intakes..
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Old 05-17-2005, 04:02 PM   #34
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Quote:
Originally Posted by 2.5 SUBY
Im deffinetly thinking of going with turbo xs short ram or APS pod. So neither of those will harm my car right?

Before i was asking around, not many people like cold air intakes..
On a WRX the only 2 intakes I would consider would be the TXS shorty or the Perrin short ram. On the STI I have seen the APS work well, but no experiences with it on the WRX.

More importantly, Why are you getting an intake? With the stock turbo there is really nothing to be gained. Maybe a COUPLE whp (3-5) but ONLY if tuned for that intake (meaning take your car to a dyno and have it tuned)
If you are just looking to hear your factory bov more, you can just remove the silencer jug thing...
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Old 05-17-2005, 04:07 PM   #35
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wow...did you even bother to read ANY of the posts above? Including Unabombers?
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Old 05-17-2005, 04:11 PM   #36
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OOO yeah the new K&N, that thing is HOTNESS> See the problem with short rams is that its a big exposed filter in the engine bay, sucking up hot air off the up pipe and motor.
The K&N has a box around it, mostly separating it from the rest of the hot engine bay. Good stuff
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Old 05-17-2005, 04:13 PM   #37
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Quote:
Originally Posted by Ballz_Anthony
but what about the sound? sooo good.

So I guess all this means I should definitely steer clear of an ebay intake...
You have an RS right? Then no, go for it. The ebay intakes are no worse than a $198832749827 intake for your car. Seriously, RS's dont have problems with intakes, just WRX's and SOME STI's (sti's tend to like intakes)
The thing to know is that there is almost no power to be gained from it unless you have about 8k into your motor. (balance/blueprint/portedpolished, big cams,Pistons,headers highflowcat, catback.. You know, just about everything.)
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Old 07-15-2005, 05:49 PM   #38
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Yet another good FAQ by the man You always do a fantastic job of it. Thanks.

Here are a couple of links from our site that are of note:

Another page that I did on the silencer (snorkus) removal.

http://www.scoobymods.com/forums/showthread.php?t=4475

http://www.scoobymods.com/forums/sho...=&threadid=167

Similar in most MAF systems across the line.

How to tell if you are MAF or MAP:

http://www.scoobymods.com/forums/showthread.php?t=3761

If you can't see the pics on our site all you need to do is register, it's free.

Peaty

www.ScoobyMods.com
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Old 07-31-2005, 06:17 PM   #39
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Default a fool and his money...

d@mn! I just read this post for the first time, plus checked out the unabomber's link to the filter test. So here I sit with the APS/Cobb Club_Spec kit (but with the stage2 reflash after removing the the Unichip). I just recleaned and re-oiled my K&N filter that came with that huge 70mm APS cai. Cobb no longer does reflashes which would have cost me $20.00 plus shipping. That huge cai can only now be dealt with if I buy the AP, reinstall the stock intake , then load a stage2 AP map for the stock intake. Why didn't Cobb know enough to not recommend that big intake. My car makes no more power with the stage2 reflash for 93 octane (285hp/285tq at the fly wheel), than the same reflash using the stock intake. What's worse is the map for the APS intake requires more fueling to prevent lean running. I have a car that's unnecessarily a gas-guzzler (think about 18mpg average in moderate weather, driving like grandma).
I'm furious at myself because because I have only two options: replace the intake along with remapping the ecu($$$), or just accept the guzzler. if only I knew my bad, huh?
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Old 07-31-2005, 07:46 PM   #40
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Nice job but shouldn't this be in the engine forums?
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Old 07-31-2005, 08:02 PM   #41
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damn so a KnN high flow filter is not good for the engine?
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Old 08-04-2005, 12:26 PM   #42
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When you say that the stock intake can support up to 400 HP is that crank or wheel HP.
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Old 08-04-2005, 03:35 PM   #43
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Quote:
Originally Posted by Unabomber
Until proven otherwise, it's crap.

I think you do a great job of organizing data and presenting it. I will provide you with my personal data concerning the Injen. Just installed one on my 05 STI and I love it! No problems with CEL's and it add 8 hp or so on the Dyno..

I see no reason why it should be listed as crap in my opinion. Obviously not a wide set of folks reporting in but I like it. I also installed the Injen TBE and it is a very nice product....
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Old 08-04-2005, 04:20 PM   #44
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Quote:
Originally Posted by 2fas4u
.....and it add 8 hp or so on the Dyno..
Just curious, but how did you come to this conclusion?
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Old 08-04-2005, 07:20 PM   #45
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I don't know if 400HP is wheel or crank, once you get to that level, you usually are FMIC and intake in any event.

An unproven intake IS crap. Your intake may look and sound cool, may not throw a CEL, and may get 8 HP on the dyno. My question to you before you recommend this to fellow Subaru owners is what are the A/F readings from a $300 wideband 02 sensor from idle to redline with your intake? You might not have a CEL, but when you are running too lean and put a hole in your piston, will you have the same opinion? This commentary sounds harsh, but it's the truth. Without wideband A/F evidence, every intake sucks.
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Old 08-04-2005, 08:24 PM   #46
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Quote:
Originally Posted by Unabomber
I don't know if 400HP is wheel or crank, once you get to that level, you usually are FMIC and intake in any event.

An unproven intake IS crap. Your intake may look and sound cool, may not throw a CEL, and may get 8 HP on the dyno. My question to you before you recommend this to fellow Subaru owners is what are the A/F readings from a $300 wideband 02 sensor from idle to redline with your intake? You might not have a CEL, but when you are running too lean and put a hole in your piston, will you have the same opinion? This commentary sounds harsh, but it's the truth. Without wideband A/F evidence, every intake sucks.
....but, but, but the dyno says it works!
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Old 08-07-2005, 01:40 PM   #47
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So you mean to tell me that if I installed a CAI on my 05wrx and I don't plan on racing or taking this thing through mud or standing water that I should put back in the stock box with a K&N drop in and my car will be better off. I am with the others it sounds great and the car runs better but if there is a chance of smoking the motor with a intake I will be changing it back soon. All of these intakes for the most part from K&N to the ones hanging on the wall at the dealers are all pretty much the same dia. and do the same thing. One filter may be of less quality than the other but you can only let in so much air and keep it only so cool. Aren't you really cutting hairs if all you want to do is improve the performance a little and get a nice sound? I know you can take these cars to the extreme, far beyond anything I ever plan on doing, so for your average consumers like myself I really cant see how a $300 intake and a $125 intake that is made of the same material and shaped in the same pattern with similiar filters can be so different? If your car is running that lean at points in the power band doesn't the computer compenstate for that? Aren't these modern cars able to adjust to slight changes like that and correct itself? I mean your car is going to run different depending on the moisture in the air and the elevation you are at, so with this theory you stand a chance of hurting you car if you drive in really hot dry air at a high elevation or low elevation with moist air. This is really confusing for just an intake. Great debate thanks for the help and info.
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Old 08-08-2005, 04:43 AM   #48
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Quote:
Originally Posted by trustWRX
I have a Injen CAI sitting in a box on my bedroom floor. I too called COBB to get their advise about the Injen CAI because they have a map for it. You know what their response was?

"Dont bother, it's not going to give you more power. Just stick to the stock airbox. If you want to put it back in the car feel free we do have a map for it".

Yikes, that's the only CAI I have found for my car.
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Old 08-08-2005, 11:35 AM   #49
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Quote:
Originally Posted by ktm
....but, but, but the dyno says it works!

Yes that is true, dyno's don't lie!

Una.. I do have an AEM wideband and my numbers are fine. Maybe I got lucky, maybe I'm a special case who knows? I agree with your thinking since there are many here that don't know anything about engines or tuning, just look at the comment above.....

My point is you did the research on some but just because you personnaly don't posess the data for the Injen, does not mean it sucks..I would be more than happy to pass along any data I have....

Thanks...
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Old 08-08-2005, 11:57 AM   #50
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Quote:
Originally Posted by 2fas4u
Yes that is true, dyno's don't lie!

Una.. I do have an AEM wideband and my numbers are fine. Maybe I got lucky, maybe I'm a special case who knows? I agree with your thinking since there are many here that don't know anything about engines or tuning, just look at the comment above.....

My point is you did the research on some but just because you personnaly don't posess the data for the Injen, does not mean it sucks..I would be more than happy to pass along any data I have....

Thanks...
I forgot the [sarcasm] tag apparently. Dynos are great, but there are many reasons why you can get varying hp numbers off a dyno from the same car (especially a F/I car).

http://www.z06vette.com/pitroad1.php

A great read about the accuracy of dynos and what can affect them.

Trying to measure a 5 to 10 hp difference on a dyno is silly imho.
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